Merck & Co., Inc. SEC EDGAR Filings (CIK 0000310158)

SEC EDGAR filings, ownership reports, and insider transactions for Merck & Co., Inc..

Symbol
MRK on NYSE
Industry
Pharmaceutical Preparations (Office Of Life Sciences)
Business address
126 East Lincoln Avenue, P.O. Box 2000, Rahway, NJ, 07065
Top holdings (ownership)
PSNL and HARP
Top securities (13F)
PSNL, MRNA, KYMR, ALEC, ENTRADA THERAPEUTICS INC, EVAX, STRO, VRDN, LVTX, XLO, CARM, NEUP, and HURA
Top holdings (Schedule 13G)
EVAX and PSNL
State of incorporation
NJ
Fiscal year end
31 December
Former names
SCHERING PLOUGH CORP (to 29 Oct 2009)
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Merck & Co., Inc. has filed 2,901 SEC EDGAR filings since 07 Mar 1994

Latest Filings

Recent SEC filings for Merck & Co., Inc. including SC TO-T/A, 4, SC TO-T and more.

Form type Document Filing Description Filing date Reporting date File number(s)
SC TO-T/A Open SC TO-T/A document View SEC filing for SC TO-T/A SC TO-T/A 07 Jan 2026
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Jan 2026 31 Dec 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Jan 2026 31 Dec 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Jan 2026 31 Dec 2025
SC TO-T/A Open SC TO-T/A document View SEC filing for SC TO-T/A SC TO-T/A 19 Dec 2025
SC TO-T/A Open SC TO-T/A document View SEC filing for SC TO-T/A SC TO-T/A 17 Dec 2025
SC TO-T Open SC TO-T document | Open XBRL data View SEC filing for SC TO-T SC TO-T 05 Dec 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 04 Dec 2025 04 Dec 2025 001-06571
424B5 Open 424B5 document | Open XBRL data View SEC filing for 424B5 424B5 03 Dec 2025 333-278066
FWP Open FWP document View SEC filing for FWP FWP 02 Dec 2025 333-278066
424B5 Open 424B5 document View SEC filing for 424B5 424B5 01 Dec 2025 333-278066
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Nov 2025 30 Sep 2025 028-25193
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 Nov 2025 10 Nov 2025
144 Open 144 document View SEC filing for 144 10 Nov 2025 001-06571
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 3Q25 FORM 10-Q 05 Nov 2025 30 Sep 2025 001-06571
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Nov 2025 03 Nov 2025
144 Open 144 document View SEC filing for 144 03 Nov 2025 001-06571
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 30 Oct 2025 30 Oct 2025 001-06571
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Oct 2025 30 Sep 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Oct 2025 30 Sep 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Oct 2025 30 Sep 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 09 Sep 2025 09 Sep 2025 001-06571
424B5 Open 424B5 document | Open XBRL data View SEC filing for 424B5 424B5 04 Sep 2025 333-278066
FWP Open FWP document View SEC filing for FWP FWP 03 Sep 2025 333-278066
424B5 Open 424B5 document View SEC filing for 424B5 424B5 02 Sep 2025 333-278066
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Aug 2025 30 Jun 2025 028-25193
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 2Q25 FORM 10-Q (6.30.25) 05 Aug 2025 30 Jun 2025 001-06571
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Aug 2025 04 Aug 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Aug 2025 04 Aug 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 29 Jul 2025 25 Jul 2025 001-06571
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Jul 2025 30 Jun 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Jul 2025 30 Jun 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Jul 2025 30 Jun 2025
11-K Open 11-K document View SEC filing for 11-K 11-K MSD PUERTO RICO SAVINGS & SECURITY PLAN 27 Jun 2025 31 Dec 2024 001-06571
11-K Open 11-K document View SEC filing for 11-K 11-K MERCK US SAVINGS PLAN 27 Jun 2025 31 Dec 2024 001-06571
11-K Open 11-K document View SEC filing for 11-K 11-K MSD EMPLOYEE STOCK PURCHASE AND SAVINGS PLAN 27 Jun 2025 31 Dec 2024 001-06571
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jun 2025 30 May 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jun 2025 30 May 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jun 2025 30 May 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jun 2025 30 May 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jun 2025 30 May 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jun 2025 30 May 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jun 2025 30 May 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jun 2025 30 May 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jun 2025 30 May 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jun 2025 30 May 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jun 2025 30 May 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jun 2025 30 May 2025
SD Open SD document View SEC filing for SD FORM SD 30 May 2025 001-06571
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 29 May 2025 27 May 2025 001-06571
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 May 2025 31 Mar 2025 028-25193
PX14A6G Open PX14A6G document View SEC filing for PX14A6G NATIONAL LEGAL AND POLICY CENTER - PX14A6G 07 May 2025 001-06571
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 May 2025 03 May 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 May 2025 30 Apr 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 May 2025 30 Apr 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 May 2025 30 Apr 2025
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 02 May 2025 29 Apr 2025
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 1Q25 FORM 10-Q (3.31.25) 02 May 2025 31 Mar 2025 001-06571
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 02 May 2025 29 Apr 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 May 2025 29 Apr 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 May 2025 29 Apr 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 May 2025 29 Apr 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 May 2025 29 Apr 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 May 2025 29 Apr 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 May 2025 29 Apr 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 May 2025 29 Apr 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 May 2025 29 Apr 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 May 2025 29 Apr 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 May 2025 29 Apr 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 May 2025 29 Apr 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 May 2025 29 Apr 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 May 2025 29 Apr 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Apr 2025 25 Apr 2025
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 28 Apr 2025 001-06571
144 Open 144 document View SEC filing for 144 25 Apr 2025 001-06571
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 24 Apr 2025 24 Apr 2025 001-06571
PX14A6G Open PX14A6G document View SEC filing for PX14A6G 24 Apr 2025 001-06571
CORRESP Open CORRESP document View SEC filing for CORRESP 16 Apr 2025
ARS Open ARS document View SEC filing for ARS ARS 15 Apr 2025 31 Dec 2024 001-06571
PX14A6G Open PX14A6G document View SEC filing for PX14A6G 14 Apr 2025 001-06571
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 10 Apr 2025 001-06571
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 09 Apr 2025 001-06571
DEF 14A Open DEF 14A document | Open XBRL data View SEC filing for DEF 14A DEF 14A 09 Apr 2025 27 May 2025 001-06571
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Apr 2025 31 Mar 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Apr 2025 31 Mar 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Apr 2025 31 Mar 2025
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 06 Mar 2025 005-33582
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K FOR THE FISCAL YEAR ENDED DECEMBER 31, 2024 25 Feb 2025 31 Dec 2024 001-06571
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 Feb 2025 19 Feb 2025
144 Open 144 document View SEC filing for 144 19 Feb 2025 001-06571
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Feb 2025 31 Dec 2024 028-25193
144 Open 144 document View SEC filing for 144 13 Feb 2025 001-06571
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Feb 2025 13 Feb 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 11 Feb 2025 08 Feb 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 Feb 2025 06 Feb 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 Feb 2025 06 Feb 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 Feb 2025 05 Feb 2025
144 Open 144 document View SEC filing for 144 06 Feb 2025 001-06571
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 04 Feb 2025 04 Feb 2025 001-06571
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 03 Feb 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Jan 2025 27 Jan 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Jan 2025 27 Jan 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Jan 2025 27 Jan 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Jan 2025 27 Jan 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Jan 2025 27 Jan 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Jan 2025 27 Jan 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Jan 2025 27 Jan 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Jan 2025 27 Jan 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Jan 2025 27 Jan 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Jan 2025 27 Jan 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Jan 2025 27 Jan 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jan 2025 31 Dec 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jan 2025 31 Dec 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jan 2025 31 Dec 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jan 2025 01 Jan 2025
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 03 Jan 2025 01 Jan 2025
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 23 Dec 2024
3 Open 3 document View SEC filing for 3 OWNERSHIP DOCUMENT 23 Dec 2024 19 Dec 2024 001-38943
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 22 Nov 2024 19 Nov 2024 001-06571
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 06 Nov 2024
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 3Q24 FORM 10-Q 06 Nov 2024 30 Sep 2024 001-06571
25-NSE Open 25-NSE document View SEC filing for 25-NSE 04 Nov 2024 001-06571
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 31 Oct 2024 31 Oct 2024 001-06571
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Oct 2024 30 Sep 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Oct 2024 30 Sep 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Oct 2024 30 Sep 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Aug 2024 05 Aug 2024
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 05 Aug 2024 30 Jun 2024 001-06571
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 30 Jul 2024 30 Jul 2024 001-06571
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Jul 2024 28 Jun 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Jul 2024 28 Jun 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Jul 2024 28 Jun 2024
11-K Open 11-K document View SEC filing for 11-K 11-K MSD EMPLOYEE STOCK PURCHASE AND SAVINGS PLAN 25 Jun 2024 31 Dec 2023 001-06571
11-K Open 11-K document View SEC filing for 11-K 11-K MSD PUERTO RICO SAVINGS & SECURITY PLAN 25 Jun 2024 31 Dec 2023 001-06571
11-K Open 11-K document View SEC filing for 11-K 11-K MERCK US SAVINGS PLAN 25 Jun 2024 31 Dec 2023 001-06571
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Jun 2024 31 May 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Jun 2024 31 May 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Jun 2024 31 May 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Jun 2024 31 May 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Jun 2024 31 May 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Jun 2024 31 May 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Jun 2024 31 May 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Jun 2024 31 May 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Jun 2024 31 May 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Jun 2024 31 May 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Jun 2024 31 May 2024
CERT Open CERT document View SEC filing for CERT NYSE CERTIFICATION 30 May 2024 001-65671
8-A12B Open 8-A12B document View SEC filing for 8-A12B 8-A12B 30 May 2024 001-06571
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 30 May 2024 28 May 2024 001-06571
SD Open SD document View SEC filing for SD FORM SD 28 May 2024 001-06571
424B5 Open 424B5 document View SEC filing for 424B5 424B5 20 May 2024 333-278066
FWP Open FWP document View SEC filing for FWP FWP 16 May 2024
424B5 Open 424B5 document View SEC filing for 424B5 424B5 15 May 2024 333-278066
POSASR Open POSASR document View SEC filing for POSASR POSASR 14 May 2024 333-278066
144 Open 144 document View SEC filing for 144 06 May 2024 001-06571
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 May 2024 03 May 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 May 2024 04 May 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 May 2024 04 May 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 May 2024 04 May 2024
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 03 May 2024 31 Mar 2024 001-06571
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 May 2024 30 Apr 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 May 2024 30 Apr 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 May 2024 30 Apr 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 May 2024 30 Apr 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 May 2024 30 Apr 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 May 2024 30 Apr 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 May 2024 30 Apr 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 May 2024 30 Apr 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 May 2024 30 Apr 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 May 2024 30 Apr 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 May 2024 30 Apr 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 May 2024 30 Apr 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 May 2024 30 Apr 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 May 2024 30 Apr 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 25 Apr 2024 25 Apr 2024 001-06571
ARS Open ARS document View SEC filing for ARS ARS 11 Apr 2024 31 Dec 2023 001-06571
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 11 Apr 2024 001-06571
DEF 14A Open DEF 14A document | Open XBRL data View SEC filing for DEF 14A DEF 14A 11 Apr 2024 28 May 2024 001-06571
10-K/A Open 10-K/A document | Open XBRL data View SEC filing for 10-K/A 10-K/A 11 Apr 2024 31 Dec 2023 001-06571
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 08 Apr 2024 01 Apr 2024
PX14A6G Open PX14A6G document View SEC filing for PX14A6G INSPIRE INVESTING, LLC - PX14A6G 01 Apr 2024 001-06571
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Mar 2024 28 Mar 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Mar 2024 28 Mar 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Mar 2024 28 Mar 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Mar 2024 28 Mar 2024
PX14A6G Open PX14A6G document View SEC filing for PX14A6G BOWYER RESEARCH - PX14A6G 28 Mar 2024 001-06571
S-3ASR Open S-3ASR document View SEC filing for S-3ASR S-3ASR 19 Mar 2024 333-278066
S-3ASR Open S-3ASR document View SEC filing for S-3ASR S-3ASR 19 Mar 2024 333-278065
4 Open 4 document View SEC filing for 4 4 11 Mar 2024 11 Mar 2024 001-38800
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 26 Feb 2024 31 Dec 2023 001-06571
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 20 Feb 2024 15 Feb 2024 001-06571
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 15 Feb 2024 14 Feb 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 15 Feb 2024 13 Feb 2024
144 Open 144 document View SEC filing for 144 14 Feb 2024 001-06571
144 Open 144 document View SEC filing for 144 14 Feb 2024 001-06571
144 Open 144 document View SEC filing for 144 14 Feb 2024 001-06571
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 14 Feb 2024 13 Feb 2024
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G/A 13 Feb 2024 005-33582
144 Open 144 document View SEC filing for 144 13 Feb 2024 001-06571
144 Open 144 document View SEC filing for 144 13 Feb 2024 001-06571
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 Feb 2024 09 Feb 2024
144 Open 144 document View SEC filing for 144 09 Feb 2024 001-06571
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 08 Feb 2024 07 Feb 2024
144 Open 144 document View SEC filing for 144 07 Feb 2024 001-06571
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Feb 2024 02 Feb 2024
144 Open 144 document View SEC filing for 144 02 Feb 2024 001-06571
144 Open 144 document View SEC filing for 144 02 Feb 2024 001-06571
144 Open 144 document View SEC filing for 144 02 Feb 2024 001-06571
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Feb 2024 02 Feb 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Feb 2024 02 Feb 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 01 Feb 2024 29 Jan 2024 001-06571
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 26 Jan 2024 005-33582
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 Jan 2024 22 Jan 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 Jan 2024 22 Jan 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 Jan 2024 22 Jan 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 Jan 2024 22 Jan 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 Jan 2024 22 Jan 2024
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4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 Jan 2024 22 Jan 2024
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4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 Jan 2024 22 Jan 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 Jan 2024 22 Jan 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 Jan 2024 22 Jan 2024
SC 13G Open SC 13G document View SEC filing for SC 13G 23 Jan 2024
3 Open 3 document View SEC filing for 3 3 17 Jan 2024 07 Jan 2024 001-38800
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Jan 2024 29 Dec 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Jan 2024 29 Dec 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Jan 2024 29 Dec 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Jan 2024 29 Dec 2023
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 13 Dec 2023 04 Dec 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 28 Nov 2023 21 Nov 2023 001-06571
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Nov 2023 09 Nov 2023
144 Open 144 document View SEC filing for 144 09 Nov 2023 001-06571
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Nov 2023 08 Nov 2023
144 Open 144 document View SEC filing for 144 08 Nov 2023 001-06571
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 03 Nov 2023 30 Sep 2023 001-06571
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Nov 2023 31 Oct 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 31 Oct 2023 30 Oct 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 26 Oct 2023 26 Oct 2023 001-06571
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Oct 2023 29 Sep 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Oct 2023 29 Sep 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Oct 2023 29 Sep 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Oct 2023 29 Sep 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 15 Aug 2023 14 Aug 2023
144 Open 144 document View SEC filing for 144 14 Aug 2023 001-06571
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 07 Aug 2023 30 Jun 2023 001-06571
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Aug 2023 03 Aug 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Aug 2023 03 Aug 2023
144 Open 144 document View SEC filing for 144 03 Aug 2023 001-06571
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Aug 2023 02 Aug 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 01 Aug 2023 01 Aug 2023 001-06571
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Jul 2023 30 Jun 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Jul 2023 30 Jun 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Jul 2023 30 Jun 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Jul 2023 30 Jun 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Jun 2023 02 Dec 2022
11-K Open 11-K document View SEC filing for 11-K 11-K 27 Jun 2023 31 Dec 2022 001-06571
11-K Open 11-K document View SEC filing for 11-K 11-K 27 Jun 2023 31 Dec 2022 001-06571
11-K Open 11-K document View SEC filing for 11-K 11-K 27 Jun 2023 31 Dec 2022 001-06571
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 31 May 2023 26 May 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 31 May 2023 26 May 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 31 May 2023 26 May 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 31 May 2023 26 May 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 31 May 2023 26 May 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 31 May 2023 26 May 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 31 May 2023 26 May 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 31 May 2023 26 May 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 31 May 2023 26 May 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 31 May 2023 26 May 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 31 May 2023 26 May 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 31 May 2023 26 May 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 26 May 2023 23 May 2023 001-06571
SD Open SD document View SEC filing for SD SD 22 May 2023 001-06571
PX14A6G Open PX14A6G document View SEC filing for PX14A6G 18 May 2023 001-06571
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 17 May 2023 17 May 2023 001-06571
424B5 Open 424B5 document View SEC filing for 424B5 424B5 10 May 2023 333-254703
FWP Open FWP document View SEC filing for FWP FWP 09 May 2023 333-254703
424B5 Open 424B5 document View SEC filing for 424B5 424B5 08 May 2023 333-254703
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 May 2023 03 May 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 May 2023 04 May 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 May 2023 04 May 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 May 2023 04 May 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 May 2023 03 May 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 May 2023 03 May 2023
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 05 May 2023 31 Mar 2023 001-06571
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 May 2023 02 May 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 May 2023 02 May 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 May 2023 02 May 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 May 2023 02 May 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 May 2023 02 May 2023
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11-K Open 11-K document View SEC filing for 11-K FORM 11-K: MSD PUERTO RICO SAVINGS & SECURITY PLAN (MRK 12.31.19) 23 Jun 2020 31 Dec 2019 001-06571
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4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Jun 2020 29 May 2020
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8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 29 May 2020 26 May 2020 001-06571
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4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 May 2020 01 May 2020
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8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 28 Apr 2020 28 Apr 2020 001-06571
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10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 26 Feb 2020 31 Dec 2019 001-06571
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11-K Open 11-K document View SEC filing for 11-K FORM 11-K: MSD EMPLOYEE STOCK PURCHASE AND SAVINGS PLAN (MRK 12.31.18) 20 Jun 2019 31 Dec 2018 001-06571
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10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 2018 FORM 10-K 27 Feb 2019 31 Dec 2018 001-06571
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4 Open 4 document View SEC filing for 4 05 Jul 2017 30 Jun 2017
4 Open 4 document View SEC filing for 4 05 Jul 2017 30 Jun 2017
4 Open 4 document View SEC filing for 4 05 Jul 2017 30 Jun 2017
11-K Open 11-K document View SEC filing for 11-K FORM 11-K: MSD PUERTO RICO SAVINGS & SECURITY PLAN 19 Jun 2017 31 Dec 2016 001-06571
11-K Open 11-K document View SEC filing for 11-K FORM 11-K: MSD EMPLOYEE STOCK PURCHASE AND SAVINGS PLAN 19 Jun 2017 31 Dec 2016 001-06571
11-K Open 11-K document View SEC filing for 11-K FORM 11-K: MERCK US SAVINGS PLAN 19 Jun 2017 31 Dec 2016 001-06571
3 Open 3 document View SEC filing for 3 01 Jun 2017 23 May 2017
4 Open 4 document View SEC filing for 4 30 May 2017 26 May 2017
4 Open 4 document View SEC filing for 4 30 May 2017 26 May 2017
4 Open 4 document View SEC filing for 4 30 May 2017 26 May 2017
4 Open 4 document View SEC filing for 4 30 May 2017 26 May 2017
4 Open 4 document View SEC filing for 4 30 May 2017 26 May 2017
4 Open 4 document View SEC filing for 4 30 May 2017 26 May 2017
4 Open 4 document View SEC filing for 4 30 May 2017 26 May 2017
4 Open 4 document View SEC filing for 4 30 May 2017 26 May 2017
4 Open 4 document View SEC filing for 4 30 May 2017 26 May 2017
4 Open 4 document View SEC filing for 4 30 May 2017 26 May 2017
4 Open 4 document View SEC filing for 4 30 May 2017 26 May 2017
4 Open 4 document View SEC filing for 4 30 May 2017 26 May 2017
3 Open 3 document View SEC filing for 3 30 May 2017 23 May 2017
SD Open SD document View SEC filing for SD FORM SD - MAY 25 2017 25 May 2017 001-06571
8-K Open 8-K document View SEC filing for 8-K FORM 8-K: ANNUAL MEETING VOTE RESULTS - 2017 25 May 2017 25 May 2017 001-06571
PX14A6G Open PX14A6G document View SEC filing for PX14A6G 16 May 2017 001-06571
4 Open 4 document View SEC filing for 4 12 May 2017 12 May 2017
4 Open 4 document View SEC filing for 4 09 May 2017 05 May 2017
4 Open 4 document View SEC filing for 4 09 May 2017 05 May 2017
4 Open 4 document View SEC filing for 4 09 May 2017 05 May 2017
4 Open 4 document View SEC filing for 4 09 May 2017 05 May 2017
4 Open 4 document View SEC filing for 4 09 May 2017 05 May 2017
4 Open 4 document View SEC filing for 4 09 May 2017 05 May 2017
4 Open 4 document View SEC filing for 4 09 May 2017 05 May 2017
4 Open 4 document View SEC filing for 4 09 May 2017 05 May 2017
4 Open 4 document View SEC filing for 4 09 May 2017 05 May 2017
4 Open 4 document View SEC filing for 4 09 May 2017 05 May 2017
4 Open 4 document View SEC filing for 4 09 May 2017 05 May 2017
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 1Q17 FORM 10-Q 09 May 2017 31 Mar 2017 001-06571
4 Open 4 document View SEC filing for 4 03 May 2017 02 May 2017
4 Open 4 document View SEC filing for 4 03 May 2017 02 May 2017
8-K Open 8-K document View SEC filing for 8-K 8-K - 1Q EARNINGS REPORT 02 May 2017 02 May 2017 001-06571
PX14A6G Open PX14A6G document View SEC filing for PX14A6G 17 Apr 2017 001-06571
DEFA14A Open DEFA14A document View SEC filing for DEFA14A MERCK & CO. INC. - DEFA14A 10 Apr 2017 001-06571
DEF 14A Open DEF 14A document View SEC filing for DEF 14A MERCK & CO. INC. - DEF 14A 10 Apr 2017 10 Apr 2017 001-06571
4/A Open 4/A document View SEC filing for 4/A 10 Apr 2017 27 Feb 2017

About this filer

Merck & Co., Inc. files with the SEC under CIK 0000310158. This page aggregates EDGAR filings and related ownership activity.

Industry: Pharmaceutical Preparations.

See insider transactions for this issuer.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.

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